Chang, Y. C.Y. C.ChangLo, J. L.J. L.LoHuang, C. J.C. J.HuangHsu, N. Y.N. Y.HsuChu, H. H.H. H.ChuChi, P. Y.P. Y.ChiHsieh, Y. L.Y. L.Hsieh2010-10-222018-07-092010-10-222018-07-092008-04http://ntur.lib.ntu.edu.tw//handle/246246/219104en-USPlayful toothbrush: Ubicomp technology for teaching tooth brushing to kindergarten children.